Chevrolet Silverado 1500 2022–2023 — technical service bulletin
Bulletin PIT6053 · NHTSA communication 10242310 · issued Aug 25, 2023
Technical service bulletin
communication type
Fuel System, Gasoline
component
2022–2023
model years
4
vehicle entries
Official summary
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose that connects to the washer pump.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.